%0 Journal Article %T Simple average is not appropriate for understanding the results of previous studies %A Asuka Tsuchiya %A Ayaka Furukawa %A Junpei Osone %A Koji Ishigami %A Masahito Togo %A Sei Takahashi %A Susumu Yasuda %A Yasushi Tsujimoto %A Yusuke Tsutsumi %J Archive of "Acute Medicine & Surgery". %D 2019 %R 10.1002/ams2.425 %X Dear Editor %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6603392/